AKA: MINI-CARD, EC-821A, AUTO SHUT-OFF, AKA (Label): MINI CALCULATOR, Product number (P/N): EC821A (EC-821A),
Keywords/Tags: EC821A (EC-821A) | MINI-CARD
Date of intro: 198?,
Power: 3V: (Button x2),
Display: Type = Display (LCD) (List), Digits = 8+1,
Number of keys: 24,
Classification: / Credit Card,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Serie-members: ACCONA: EC821A (version 1) (Silver, All Black keys); ACCONA: EC821A (version 2) (Green ); ACCONA: EC821A (version 3) (Green, 3 Red keys); ACCONA: EC821A (version 4) (Red); ACCONA: EC821A (version 5) (Red/Gold-color),
Known Serial-numbers: 1369426 (List of all S/Ns from ACCONA)
Collector value: 6.5/10,
Courtesy of: FESTEN Maarten,